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Open AccessJournal ArticleDOI

Epithelial–mesenchymal plasticity in carcinoma metastasis

Jeff H. Tsai, +1 more
- 15 Oct 2013 - 
- Vol. 27, Iss: 20, pp 2192-2206
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TLDR
The functional requirement of EMT and/or MET during the individual steps of tumor metastasis is reviewed and the potential of targeting this program when treating metastatic diseases is discussed.
Abstract
Tumor metastasis is a multistep process by which tumor cells disseminate from their primary site and form secondary tumors at a distant site. Metastasis occurs through a series of steps: local invasion, intravasation, transport, extravasation, and colonization. A developmental program termed epithelial-mesenchymal transition (EMT) has been shown to play a critical role in promoting metastasis in epithelium-derived carcinoma. Recent experimental and clinical studies have improved our knowledge of this dynamic program and implicated EMT and its reverse program, mesenchymal-epithelial transition (MET), in the metastatic process. Here, we review the functional requirement of EMT and/or MET during the individual steps of tumor metastasis and discuss the potential of targeting this program when treating metastatic diseases.

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Journal ArticleDOI

The RNA binding protein quaking regulates formation of circRNAs.

TL;DR: It is shown that hundreds of circRNAs are regulated during human epithelial-mesenchymal transition (EMT) and that the production of over one-third of abundant circ RNAs is dynamically regulated by the alternative splicing factor, Quaking (QKI), which itself is regulated during EMT.
Journal ArticleDOI

Signaling mechanisms of the epithelial-mesenchymal transition

TL;DR: This review discusses how intracellular pathways and extracellular signals that regulate gene expression to induce EMT crosstalk and respond to signals from the microenvironment to regulate the expression and function of EMT-inducing transcription factors in development, physiology, and disease.
Journal ArticleDOI

Guidelines and definitions for research on epithelial–mesenchymal transition

Jing Yang, +47 more
TL;DR: This Consensus Statement is the outcome of a 2-year-long discussion among EMT researchers and aims to both clarify the nomenclature and provide definitions and guidelines for EMT research in future publications to reduce misunderstanding and misinterpretation of research data generated in various experimental models.
Journal ArticleDOI

The Immunomodulatory and Anti-Inflammatory Role of Polyphenols.

TL;DR: It is shown that polyphenols can play a beneficial role in the prevention and the progress of chronic diseases related to inflammation such as diabetes, obesity, neurodegeneration, cancers, and cardiovascular diseases, among other conditions.
References
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Journal ArticleDOI

Circulating Breast Tumor Cells Exhibit Dynamic Changes in Epithelial and Mesenchymal Composition

TL;DR: A role for EMT in the blood-borne dissemination of human breast cancer is supported as both single cells and multicellular clusters, expressing known EMT regulators, including transforming growth factor (TGF)–β pathway components and the FOXC1 transcription factor.
Journal ArticleDOI

Phenotypic and molecular characterization of the claudin-low intrinsic subtype of breast cancer

TL;DR: It is confirmed that a prognostically relevant differentiation hierarchy exists across all breast cancers in which the claudin-low subtype most closely resembles the mammary epithelial stem cell.
Journal ArticleDOI

let-7 Regulates Self Renewal and Tumorigenicity of Breast Cancer Cells

TL;DR: Let-7 regulates multiple BT-IC stem cell-like properties by silencing more than one target, and miRNA expression in self-renewing and differentiated cells from breast cancer lines and in breast T-IC and non-BT-IC from 1 degrees breast cancers is compared.
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Intrinsic Resistance of Tumorigenic Breast Cancer Cells to Chemotherapy

TL;DR: These studies provide clinical evidence for a subpopulation of chemotherapy-resistant breast cancer-initiating cells and, in combination with conventional therapy, specific pathway inhibitors may provide a therapeutic strategy for eliminating these cells to decrease recurrence and improve long-term survival.
Journal ArticleDOI

EMT and Dissemination Precede Pancreatic Tumor Formation

TL;DR: It is suggested that inflammation enhances cancer progression in part by facilitating EMT and entry into the circulation and tagged cells invaded and entered the bloodstream unexpectedly early, before frank malignancy could be detected by rigorous histologic analysis.
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